Features: Mirror Projecting, Display Data is more shine and clearly: 4 different Display modes The built-in light sensing system can automatically adjust the screen brightness at 12 levels according to the light brightness of the current environment, bringing a comfortable visual feeling, smooth transition and no flicker. In addition to the automatic light feeling, it can also be adjusted manually through the body keys .Three brightness modes are up to you. It adopts imported a chip intelligent reminder to display different colors according to driving speed Safty driving, Keep your eyes ahead, No need to down your head to see Dashboard while driving Easy to Install, Only need connect the HUD with Car OBD port by OBD cable, HUD will display when car engine on / off Compatiable for: Cars in OBD II Standard 1.8M OBD Cable: Long cable which can insure that install conviniently no matter drive right or left sid Project Oil Consumption:MX20 can display instant Oil Consumption in real time. Specificaitons Item name: C500 Mirror HUD Colour: Black MaterialABS+PC Product size: As picture Ambient temperature: -40-+120 Imaging screen: LED display Sleeping current: = 30MA Working voltage.(A11v-18vdc(12vdc/200MA) environmental noise: =60db Relative humidity: 10%-95% Atmospheric pressure: 86-106kpa Display Content:Driving direction / altitude /mileage /power test /average fuel consumption / water temperature / voltage / speed / turbine pressure / overspeed alarm /fatigue driving reminding/fault code elimination/Clock/RPM/engine speed/ Coolant temperatureNotes : OBD model can work for OBD gasoline vehicles produced after 2004 in USA, and OBD gasoline vehicles produced after 2008 in othercountries. OBD model is not applicable for the following cars: I ncompatibility: American models: Dodge, JEEP, IMSEOER, Chryslerand carsmanufactured before 2004 in USAIncompatibility: French and Italiancarsare not available: Fiat, Maserati, Lamborghini, DS, PEUGEOT, Citroen, Renault, Simcaetc.Incompatibility: SomeJapanesecars arenot available: Suzuki, Mazda3/6, INFINITI(QX50 Q50Q501), Toyota AVANZAin 2013, Lexus (is250, ex250, ES300H), Honda (jazz, CRV) and cars manufactured before 2008.Incompatibility: Korean KIAand somecars ofHyundai(2013 Hyundai Sonata, 2017 KIASoul PS, etc.)Incompatibility: Hybrid and diesel vehicles, pickups, RVs, cars with modified automotive computers, Volvo, Switzerland, Chrysler Group, all brand models under Fiat Group.Incompatibility: German cars before 2004For the abovecars can not use OBD models, please use GPSmodels